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磁导率 : 130 phrases in 13 subjects |
Antennas and waveguides | 1 |
Astronautics | 1 |
Chemistry | 3 |
Electronics | 37 |
General | 14 |
Magnetics | 4 |
Military | 2 |
Nanotechnology | 1 |
Oil / petroleum | 3 |
Oil and gas technology | 2 |
Oil processing plants | 2 |
Radio | 2 |
Technology | 58 |